Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 591:

  The area of a square is 144 sq cm. Find the length of its diagonal

  Options:
  A) 11$\sqrt{3}$cm
  B) 12cm
  C) 12$\sqrt{2}$cm
  D) 13cm
  Show Answer
  The correct answer is C .
• Question 592: x is a point due east of point Y on a coast Z is another point on the coast but 63m due south of y. If the distance ZX is 12Km. Calculate the bearing of Z from X Options:
  A) 240^o
  B) 210^o
  C) 150^o
  D) 60^o
  Show Answer
  The correct answer is B .
• Question 593: An operation * is defined on the set of real numbers by a*b = a + b + 1. If the identity elements is -1, find the inverse of the element 2 under *. Options:
  A) 4
  B) zero
  C) -2
  D) -4
  Show Answer
  The correct answer is D .
• Question 594: The three sides of an isosceles triangle are length of lengths (x + 3), (2x + 3), (2x - 3) respectively. Calculate x. Options:
  A) 5
  B) 1
  C) 3
  D) 6
  Show Answer
  The correct answer is D .
• Question 595: In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represents meat in pie chart Options:
  A) 30^o
  B) 60^o
  C) 112.5^o
  D) 157.5^o
  Show Answer
  The correct answer is D .
• Question 596:

  Find the values of p and q such that (x - 1)and (x - 3) are factors of px³ + qx² + 11x - 6

  Options:
  A) -1, -6
  B) 1, -6
  C) 1, 6
  D) 6, -1
  Show Answer
  The correct answer is B .
• Question 597: Integrate $\frac{x^2-\sqrt{x}}{x}$ with respect to x Options:
  A) $\frac{x^2-\sqrt{x}}{x^2}$ + k
  B) $\frac{x^2}{2}$ - $\sqrt{x}$ + k
  C) $\frac{2(x^2-x)}{3x}$ + k
  D) $\frac{x^2}{2}$ - 2$\sqrt{x}$ + k
  Show Answer
  The correct answer is D .
• Question 598: Solve the equation $3x^2-4x-5=0$ Options:
  A) x = 1.75 or − 0.15
  B) x = 2.12 or − 0.79
  C) x = 1.5 or − 0.34
  D) x = 2.35 or −1.23
  Show Answer
  The correct answer is B .
• Question 599:

  Given that A = {3, 4, 1, 10, ⅓ }

  B = {4, 3 ⅓, ⅓, 7}.

  Find A∩B

  Options:
  A) {}
  B) {⅓, 1, 2}
  C) {3, 4, ⅓}
  D) {1, 3, ⅓}
  Show Answer
  The correct answer is C .
• Question 600: The angle between the positive horizontal axis and a given line is 135^o. Find the equation of the line if it passes through the point (2,3) Options:
  A) x - y = 1
  B) x + y = 1
  C) x + y = 5
  D) x - y = 5
  Show Answer
  The correct answer is C .